Norma and arthur Lewis are faced
with a terrible dilemma when a mysterious glass box turns up at their
door. If they press the button inside the box, they'll get enough money
to save their ailing son, but in exchange, someone, somewhere in the
world will die.

When the temptation to save their beloved son becomes too much to
bear, Norma pushes the button. Immediately, a gunshot rings out
somewhere nearby. Consumed with guilt, Norma must do everything in her
power to solve a murder she has knowingly caused.